A Sample of University Students Has an Average GPA of 2.78

question 23

Essay

A sample of university students has an average GPA of 2.78 with a standard deviation of 0.45.If GPA is normally distributed,what percentage of the students has GPAs
$\begin{array}{|l|l|l|l|l|}\hline & & Z \text { score } &\quad\quad\quad & \text { Area } \\\hline \text { a. } & \text { Less than } 2.30 ? & & & \\\hline \text { b. } & \text { Less than } 2.00 ? & & & \\\hline \text { c. } & \text { more than } 2.00 ? & & & \\\hline \text { d. } & \text { more than } 3.00 ? & & & \\\hline \text { e. } & \text { between } 2.50 \text { and } 3.50 ? & & & \\\hline \text { f. } & \text { between } 2.00 \text { and } 2.50 ? & & & \\\hline\end{array}$

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Definitions:

Total Assets

The sum of all assets owned by an entity, including both current and non-current assets, as shown on the balance sheet.

Money Market Securities

Short-term debt instruments, typically issued by governments, financial institutions, and corporations, characterized by high liquidity and low risk.

Principal Investment

An original amount of money invested, excluding any earnings or losses.

Real Assets

Real assets are physical or tangible assets such as land, buildings, and commodities that have intrinsic value.